6 Finest Herbs That Increase Testosterone

Sadly, pure testosterone ranges quickly decline with age and are sped up by exterior elements. I do know it does not appear honest, however as soon as we crest that hill, our testosterone ranges decline at roughly 1% yearly. So when you’re over 30, chances are you’ll have already got a testosterone deficiency, making monitoring your ranges essential.  

Fortunately, people have handled this concern for hundreds of years, and all through the years, we have found numerous nutritional vitamins, minerals, and herbs that enhance testosterone ranges. Even higher, fashionable dietary science means we do not have to forage for them ourselves.

So, on this article, we’ll give attention to the totally different herbs that enhance testosterone, one of the best merchandise for every sort, and how one can get your fingers on them.   

Desk of Contents:

• What Herbs Increase Testosterone?
• Finest Herbs for Boosting Testosterone Ranges
• 6 Finest Herbs To Increase Testosterone Ranges That You Ought to Purchase
• What’s Testosterone?
• The right way to Know if You Have Low Testosterone
• Methods For Boosting Testosterone Naturally
• What Are The Finest Testosterone Boosters?
• FAQs

What Herbs Increase Testosterone?

To determine the highest herbs to extend testosterone, we dove into the analysis for you.

In 2021 a scientific evaluate recognized 13 totally different herbs examined over 32 research for his or her impact on testosterone concentrations. Of all of the examined herbs, they decided that fenugreek and ashwagandha are one of the best¹.

We’ll primarily use this evaluate plus further analysis to cowl these two and the opposite finest testosterone-boosting herbs. 

6 Finest Herbs That Increase Testosterone

So, which herbs will most efficiently enhance your T ranges? Let’s discover out!

1) Fenugreek:

One of many two hottest herbs for growing testosterone is fenugreek, a plant native to India and North Africa.

Fenugreek seed extract accommodates an energetic ingredient known as furostanolic saponins, which has been proven to extend testosterone and enhance energy ranges. One examine discovered that each day use of fenugreek for 3 months resulted in a mean of 46% increased testosterone manufacturing in 50 males².

The systematic evaluate discovered that 4 of six research on fenugreek considerably raised testosterone ranges, whereas two had no impact¹. These have been one of the best general ends in the evaluate, suggesting that fenugreek is one of the best herb for growing testosterone. 

To go deeper into the research and critiques on fenugreek, check out our article Fenugreek and Testosterone: Is There A Connection?

Get Fenugreek on Amazon

2) Ashwagandha:

Ashwagandha is a pure herb used for hundreds of years as a therapeutic medication. Ashwagandha, or Withania somnifera, is native to India, the Center East, and Africa.

One examine discovered a mean enhance in testosterone concentrations of 17.3% after simply 90 days of supplementation¹. The same examine from 2010 discovered that utilizing three grams of ashwagandha extract for 3 months raised testosterone ranges between 14 and 41% %³! The systematic evaluate additionally reported profitable outcomes, with three of the 4 research on ashwagandha exhibiting will increase in testosterone.

Focused on studying extra about one of the best ashwagandha choices? Try our article on the 7 Finest Ashwagandha Dietary supplements!

And for these concerned about digging even deeper into this spectacular herb, together with precisely the way it works and its different advantages, learn Ashwagandha and Testosterone: What’s The Connection?

Get Ashwagandha on Amazon

3) Asian Crimson Ginseng:

Asian ginseng, additionally known as Panax ginseng (and to not be confused with American ginseng), comes from the mountains of East Asia and has been used for hundreds of years in therapeutic.

Not too long ago, we have realized it can also enhance free testosterone. One examine utilizing pink ginseng discovered that after 4 weeks of supplementation, customers had vital will increase in whole testosterone and insulin-like development issue 1 (IGF-1), which manages our development hormones⁴.

Ginseng additionally helps enhance blood movement and circulation, so once you add that to development hormone and testosterone, Asian ginseng could also be one of the best herb for muscle development. And since individuals have used Panax ginseng efficiently for over 2,000 years, it may very well be the lacking ingredient to your testosterone-boosting wants!

Get Asian Crimson Ginseng on Amazon

4) Forskohlii Root:

Coleus forskohlii is a sort of herb associated to the mint household from India, Thailand, and Nepal. Forskohlii has been used for hundreds of years in Ayurvedic medication, with makes use of starting from coronary heart illness to respiratory issues.

It is also used to extend testosterone and assist with fats loss, so it is generally present in testosterone-boosting dietary supplements. In a single examine, thirty chubby or overweight males took 500 mg of forskolin each day. After twelve weeks, they discovered a major enhance in testosterone focus by almost 14% in comparison with a 3 % lower within the placebo group¹. 

However its commonest use for males is to assist with sexual efficiency, based on Reddit. One consumer with Publish-SSRI sexual dysfunction attributed Coleus Forskohlii extract supplementation to returning him nearly again to pre-diagnosis ranges, stating:

“I wouldn’t name myself cured- I nonetheless don’t really feel like I’m emotionally/cognitively the place I used to be pre-PSSD, and I don’t really feel like my libido is what it was, however when it comes to my fundamental means to perform sexually, I’m abruptly at like 95% of what I had pre-PSSD. I additionally assume I’ve develop into extra sociable and comfy round individuals than I used to be weeks in the past. As with all complement, YMMV, however holy cow does these items work wonders for a few of my signs. I strongly advocate attempting it when you haven’t already.” (supply)

Get Forskohlii Root on Amazon

5) Tribulus Terrestris:

Tribulus terrestris is a fruit-bearing tree that is among the few crops to adapt to dry climates, primarily in Africa and southern Eurasia. In conventional medication, it has been used to deal with numerous sicknesses, together with chest ache, dizziness, coronary heart issues, kidney stones, and pores and skin and eye issues.

It is thought that this herb’s results on luteinizing hormone could play a job in growing testosterone, as LH helps those self same Leydig cells referred to above produce T. One three-month examine referenced within the systematic evaluate discovered that testosterone concentrations rose considerably by 27% after a each day supplementation of 750 mg of Trib Gold, a preferred Tribulus terrestris product¹.

It appears the everyday sweet-spot dosage is 750 to 1,000 mg each day to spice up testosterone. Taking too massive of a dose could cause abdomen points comparable to cramps, abdomen ache, and diarrhea.

Moreover serving to enhance testosterone ranges, Tribulus additionally will increase libido, with many merchandise explicitly marketed for his or her results on libido and others to deal with erectile dysfunction. To be taught extra about this tree, in addition to a number of different herbs talked about right here, take a look at our article: 12 Conventional Medicines Turned Efficiency Enhancing Dietary supplements.

Get Tribulus Terrestris on Amazon

6) Attractive Goat Weed:

One of the vital widespread questions at Set for Set is, does sexy goat weed enhance testosterone? The reply is sure, probably!

Attractive goat weed, or Epimedium, is a plant present in China, Asia, and the Mediterranean. Attractive goat weed accommodates a chemical compound known as icariin, and that is the place the testosterone-boosting results are derived.

One examine gave male rats numerous doses of icariin for thirty-five days straight. They discovered that doses as little as 50 and 100 mg/kg physique weight considerably elevated testosterone ranges. Doses of 100 mg/kg physique weight additionally considerably elevated sperm counts⁵.  However we’re not all male rats, sadly, so there could should be extra analysis in people to verify these results.

In case you’re on this herb, attempt one in all our suggestions featured in our article on the 7 Finest Attractive Goat Weed Dietary supplements.

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6 Finest Herbs to Increase Testosterone That You Ought to Purchase

Now that we have gone over one of the best sorts of herbs to spice up your testosterone, we have compiled one of the best product inside every class. These are my high T-boosting herb suggestions.

1. Finest Fenugreek Complement: NOW Meals Fenugreek
2. Finest Ashwagandha Complement: KSM-66
3. Finest Asian Ginseng Complement: NOW Dietary supplements Panax Ginseng
4. Finest Forskohlii Root Complement: Life Extension Forskolin 10 mg
5. Finest Tribulus Terrestris Complement: Tribulus Terrestris for Males by Double Wooden
6. Finest Attractive Goat Weed Complement: NOW Dietary supplements Attractive Goat Weed

How We Selected These Merchandise

When figuring out one of the best merchandise, we prioritize a number of key elements:

• Pure Substances: Our focus is on merchandise supported by scientific analysis that make the most of all-natural components with confirmed security and effectiveness. Artificial parts are prevented resulting from their potential for critical unwanted effects.
• Third-Celebration Examined: To make sure the utmost security, we place nice significance on searching for merchandise that carry a third-party examined label. Respected impartial organizations comparable to Knowledgeable Alternative, NSF Worldwide, and United States Pharmacopeia (USP) can confirm the product’s security and freedom from contaminants.
• Optimum Dosage: We rigorously contemplate the dosage of components within the merchandise we advocate. Extreme quantities of sure parts might be dangerous, so it is essential for us to endorse merchandise with dosages which might be each protected and efficient.

1. Finest Fenugreek Complement: NOW Meals Fenugreek

The most effective standalone fenugreek product available on the market is NOW Meals Fenugreek 500 mg. Fenugreek is among the finest testosterone-increasing herbs and has been proven to lift testosterone ranges by greater than 50%. NOW Meals is among the most well-known and revered complement producers, offering high-quality merchandise at reasonably priced costs. 

NOW Meals Fenugreek accommodates one gram of pure, natural fenugreek per serving in a vegan-friendly capsule. These capsules are straightforward to take or might be added to scorching water to make tea. Though it isn’t third-party examined, NOW Meals merchandise are produced in a c-GMP-certified facility.

Along with being natural and vegan-friendly, this product can be freed from yeast, gluten, soy, wheat, corn, egg, fish, milk, shellfish, and tree nuts. A typical dosage shall be no less than 1,000 mg each day, with some going as excessive as 10,000 mg safely. Unwanted side effects could embrace abdomen ache, bloating, fuel, and diarrhea. 

Finest Fenugreek Complement

Enhance your testosterone ranges and energy with NOW Meals Fenugreek, which is comprised of high-quality, sustainable components you possibly can be ok with taking…

2. Finest Ashwagandha Complement: KSM-66

The most effective ashwagandha product available on the market right now is KSM-66 Ashwagandha Root Powder Extract by Doctor’s Alternative. Doctor’s Alternative is a extremely revered complement producer that prides itself on analysis, sustainability, and purity.

All of their merchandise comprise contaminant-free components which might be environment-friendly. KSM-66 is an award-winning extraction course of that yields the best focus and most bioavailable type of ashwagandha. Every serving accommodates 1,000 mg of vegan-friendly, natural ashwagandha and 15 mg of natural black pepper fruit extract.

Along with being probably the greatest herbs for testosterone, ashwagandha additionally helps cut back stress and assist general well-being. This product is vegan-friendly, natural, non-GMO, and freed from components. It’s also freed from soy, dairy, eggs, gluten, wheat, nuts, and shellfish.

Whereas one serving measurement is taken into account 1,000 mg, it’s cut up into two 500 mg capsules, so it’s doable to take a decrease dosage. The candy spot for growing testosterone is 500 to 1,000 mg each day. Watch out to not exceed the really useful dosage, as very excessive doses could cause upset abdomen, diarrhea, and vomiting. 

Finest Ashwagandha Complement

Natural KSM-66 ashwagandha root extract is probably the most researched ashwagandha with 22 Rigorous double-blind scientific research exhibiting its effectiveness in supporting cognitive assist, stress assist, athletic assist…

3. Finest Asian Ginseng Complement: NOW Dietary supplements Panax Ginseng

Among the finest natural testosterone dietary supplements is Asian ginseng, often known as Panax ginseng. The most effective Asian ginseng product available on the market is NOW Dietary supplements Panax Ginseng.

NOW Dietary supplements are sometimes discovered a number of instances in our “better of” lists as they’re right here as a result of they proceed to ship high-quality dietary supplements at reasonably priced charges. Every serving measurement of two capsules accommodates 1,000 mg of Panax ginseng extract root.

This ginseng is non-GMO, vegan-friendly, and Kosher. It is also freed from gluten, dairy, eggs, soy, and nuts.

Finest Asian Ginseng Complement

Panax Ginseng is valued in Chinese language herbalism for its invigorating, adaptogenic, and tonic properties. Every serving accommodates 500 mg of Panax ginseng and is licensed non-GMO, soy-free, and vegan…

4. Finest Forskohlii Root Complement: Life Extension Forskolin 10 mg

The most effective Forskohlii root complement available on the market is Life Extension Forskolin 10 mg.

Life Extension has been a high presence within the complement trade for over 40 years, utilizing scientifically supported components and doses. Along with serving to enhance testosterone, this product additionally gives fats metabolism, natural vitality assist, improves cardiovascular well being, and boosts general immune system well being.

Every serving of 1 vegetarian capsule accommodates 10 mg of standardized forskolin. This product is produced in america, is licensed gluten-free and non-GMO, and every bottle has a Certificates of Evaluation out there for full transparency. 

Finest Forskohlii Root Complement

Forskolin, an natural extract from Coleus forskohlii, helps mobile well being attributes, comparable to mobile vitality and fats metabolism, via the activation of the cAMP enzyme…

5. Finest Tribulus Terrestris Complement: Tribulus Terrestris for Males by Double Wooden

Tribulus Terrestris is a prevalent ingredient in a number of top-selling testosterone booster merchandise however may also be used as a standalone product. We have seemed far and extensive, and our high standalone product available on the market is Tribulus Terrestris for Males by Double Wooden.

Double Wooden Dietary supplements was based in 2013 by twin brothers and has exploded in recognition resulting from its high-quality and efficient dietary supplements. Each product comes with a Certificates of Evaluation and third-party testing, so you possibly can really feel protected trusting their merchandise.

This explicit Tribulus product is standardized to 95% Saponins content material, whereas most manufacturers use 45% or much less. Double Wooden notes that the excessive Saponins content material advantages each women and men. Whereas we mentioned its impacts on testosterone, this product is especially marketed for elevated stamina and vitality. 

Every serving accommodates 1,000 mg of Tribulus terrestris standardized to 95%, whereas every bottle accommodates a whopping 210 capsules, sufficient for roughly 4 months on the really useful dose.

It is even produced in america and is licensed non-GMO and gluten-free. The one draw back is that it’s produced in a facility that processes milk, soy, wheat, eggs, peanuts, tree nuts, fish, and shellfish, so keep away you probably have a extreme allergy.

Finest Tribulus Terrestris Complement

Double Wooden’s Tribulus complement is standardized to a formidable 95% Saponins content material and ensures security and efficiency via rigorous testing within the USA, making it a dependable and reliable product…

6. Finest Attractive Goat Weed Complement: NOW Dietary supplements Attractive Goat Weed

Like all different herbs, Attractive goat weed is usually present in testosterone boosters and different dietary supplements. A number of sexy goat weed merchandise are overpriced and loaded with pointless filler components, so a standalone product is a protected choice.

My favourite sexy goat weed complement is NOW Dietary supplements Attractive Goat Weed, which accommodates 750 mg of Epimedium extract plus 150 mg of maca root for added advantages. It is also is vegan-friendly and is produced in a cGMP-certified facility. 

Fortunately unwanted effects are rare with Attractive goat weed, so so long as you do not take extreme quantities, there is no want to fret.

Finest Attractive Goat Weed Complement

Epimedium was thought to “tonify life’s gate” – a time period used to check with the “important vitality” in males. NOW® Attractive Goat Weed Extract is mixed with maca, one other herb identified for its tonifying properties…

What Is Testosterone?

Testosterone is a intercourse hormone produced within the intercourse organs known as gonads.

Primarily referred to as the male intercourse hormone, it is produced within the testes in males. In ladies, the ovaries produce a small quantity of testosterone, though most is transformed into the feminine intercourse hormone estradiol. Testosterone can be produced in small quantities by changing a hormone known as dehydroepiandrosterone (DHEA) out of your adrenals.

General, testosterone is chargeable for the expansion and improvement of male traits, starting with fetal improvement and once more throughout puberty. It causes inside and exterior bodily modifications, together with:

• A rise in top
• Development of physique and pubic hair
• Deepening of the voice
• Elevated libido
• Elevated muscle measurement and energy
• Sexual improvement
• …and several other others. 

As males enter maturity, the first function of testosterone is for replica, together with the manufacturing of sperm and sustaining a wholesome intercourse drive. It additionally helps vitality ranges, will increase pink blood cell manufacturing, improves psychological well-being, and helps keep robust bones and muscle energy. 

Regardless of being the male intercourse hormone, testosterone is important for grownup feminine well being. In ladies, testosterone helps enhance libido, enhance muscle measurement and energy, create new pink blood cells, assist stability different hormones, and stabilize the menstrual cycle.

Testosterone performs a major function within the development and improvement of each women and men and having low testosterone has adversarial results on each sexes. 

The right way to Know If You Have Low Testosterone

Figuring out low testosterone might be troublesome, as a number of signs can simply be mistaken for different points. The truth is, individuals with low testosterone are sometimes misdiagnosed with despair as a result of the signs might be so comparable.

Sadly, you possibly can’t measure testosterone ranges in urine exams, so a blood take a look at is required. They promote at-home take a look at kits the place you draw a small quantity of blood, however one of the best and most secure manner is by having a health care provider do blood work. These are among the commonest signs related to low testosterone. 

• Low Vitality/Fatigue: Testosterone performs a major function in our vitality manufacturing and sustaining vitality ranges, particularly throughout train. Fatigue is among the commonest signs of low testosterone, and that is partly why it’s typically misdiagnosed as despair. 
• Decreased Libido: Your intercourse drive is immediately pushed by testosterone, so your libido will drastically decline as your testosterone ranges do. As soon as your testosterone ranges rise to their regular ranges, your sexual well being will return to regular.
• Loss Of Bone & Muscle Mass: Everybody is aware of increased testosterone ranges can enhance muscle mass, however this works each methods. Muscle mass and energy will plummet as your take a look at ranges decline. In case you persistently train and see you might be getting weaker, this can be a tell-tale signal of low testosterone. 
• Decreased Physique Hair: Genetics is the first think about hair loss, however low testosterone can potentiate the difficulty. Lack of physique hair is prevalent with a decline in testosterone, particularly within the shins, arms, and head. 
• Despair: Low testosterone can look similar to despair. Testosterone is essential for sustaining a transparent, optimistic frame of mind and general well-being. Any hormonal change can set off temper or psychological well being modifications, so monitoring these modifications is necessary. Low testosterone could cause stress, mind fog, temper swings, reminiscence loss, and despair. It may well additionally decrease somebody’s means to pay attention and cut back cognitive perform. These hormonal temper swings are widespread throughout puberty or somebody coming off a steroid cycle. 
• Erectile Dysfunction: Erectile dysfunction (ED) can point out that you’ve low testosterone, however it isn’t a certainty. Hormonal issues solely account for roughly three % of ED sufferers, however it’s price getting examined when you expertise this. 

7 Methods To Increase Testosterone Naturally

If you do not have entry to those herbs or cannot take them for some purpose, there are many different strategies and pure dietary supplements to extend testosterone. Among the finest methods to spice up manner take a look at ranges naturally embrace:

1) Train & Elevate Weights Commonly:

Exercising and lifting weights is one one of the best methods to spice up your testosterone naturally. A number of research have proven a optimistic correlation between testosterone ranges and resistance coaching. We talk about this in additional element in our article: Does Working Out Enhance Testosterone?

The most effective workouts for enhancing testosterone are compound actions that use a number of muscle tissues, such because the squat, bench press, and deadlift.

2) Preserve A Wholesome Weight:

One of many main causes of low testosterone ranges is weight problems, so sustaining a wholesome weight is important to keep away from your take a look at ranges dropping. That is additionally carefully related to train, as lean muscle helps burn fats and enhance testosterone.

3) Keep away from Medication & Alcohol:

Taking unlawful medicine and alcohol are extremely detrimental to the physique in quite a few methods, together with lowering testosterone.

Alcohol considerably lowers testosterone ranges, as do different medicine, together with cocaine, cigarette smoking, and marijuana. Opiates, particularly, are one of many worst medicine for reducing testosterone⁶.

4) Get Correct Sleep:

Sustaining a wholesome sleep schedule is among the best methods to assist general well being and keep wholesome testosterone ranges.

A examine from 2011 discovered that sleeping solely 5 hours an evening was linked to a discount in testosterone ranges by 10-15%⁷.

5) Eat Wholesome:

A correctly balanced weight-reduction plan is crucial for sustaining hormonal stability and excessive testosterone ranges.

You do not essentially must depend macros however make sure to have a balanced meal containing lean protein, wholesome fat, advanced carbohydrates, and wholesome greens. Excessive quantities of protein and wholesome fat assist maintain testosterone ranges excessive. 

6) Eat Testosterone-Boosting Meals:

One of the vital fulfilling methods to naturally enhance testosterone is by consuming! A number of meals have been confirmed to assist elevate testosterone in numerous methods, each immediately and not directly.

The most effective meals embrace oysters, eggs, tuna, garlic, lean beef, and leafy inexperienced greens. 

7) Take A Pure Testosterone Booster:

A number of testosterone boosters are totally pure and efficient. Pure testosterone boosters usually comprise a mixture of one of the best nutritional vitamins, minerals, and herbs. 

In case you are concerned about studying about these strategies and extra, take a look at our article on How To Increase Testosterone Naturally. If these recommendations do not appear to assist, it could be clever to seek the advice of with a health care provider to think about a extra drastic strategy, comparable to testosterone substitute remedy (TRT).

Remember to take a look at these 8 Finest On-line TRT Clinics for extra data.

What Are The Finest Testosterone Boosters?

When testosterone boosting is your purpose, the simplest dietary supplements are people who comprise a number of T-increasing minerals, herbs, and nutritional vitamins. Enter: testosterone boosters, that are specialised dietary supplements designed to assist the upkeep of wholesome testosterone ranges by elevating the quantity of testosterone current in your bloodstream. This may be achieved via synthetic or natural means.

The first function of those dietary supplements is to help your physique in producing increased ranges of testosterone, helping within the restoration of regular testosterone ranges. They typically comprise a synergistic mix of top-quality minerals, herbs, and nutritional vitamins, all of that are lined in our article: 8 Finest Dietary supplements to Enhance Testosterone Naturally.

My favourite general testosterone booster is TestoPrime, which is filled with highly effective T-boosting components, together with two on this checklist, ashwagandha and fenugreek. Most of the famous person components work to forestall the conversion of testosterone to estrogen, serving to enhance your T ranges.

Finest Testosterone Booster

TestoPrime is an all-natural testosterone assist that may assist any man take management of his youthful vitality with a flood of latest and pure testosterone…

And for extra nice testosterone boosters, take a look at our article on the 7 Finest Testosterone Booster Dietary supplements.

FAQs

These are among the most steadily requested questions we get associated to what herbs enhance testosterone.

What’s the strongest herb that will increase testosterone?

Fenugreek and ashwagandha are the 2 most potent herbs that enhance testosterone. Each are equally nice and can be utilized safely to assist enhance testosterone ranges. 

What nutritional vitamins enhance testosterone?

Among the finest nutritional vitamins to spice up testosterone embrace vitamin D, vitamin B6, zinc, and magnesium. 

What’s the quickest solution to enhance testosterone naturally?

One of the simplest ways to naturally enhance testosterone is to keep up a wholesome sleep schedule, work out each day, together with resistance coaching, eat a balanced weight-reduction plan excessive in testosterone-boosting meals, and keep away from medicine and alcohol. 

Does espresso enhance testosterone?

Sure, espresso will help enhance testosterone. The caffeine in espresso acts as an aromatase inhibitor, which lowers estradiol whereas elevating testosterone ranges. 

What lowers testosterone probably the most?

Lack of sleep is among the high elements that lowers testosterone. Different vital elements that decrease testosterone probably the most embrace alcohol, medicine, smoking, dairy merchandise, soy merchandise, sugar, and processed junk meals. 

Testosterone Boosting Herbs: Key Takeaways

Figuring out low testosterone could be a critical bummer. However the truth is everybody will face declining testosterone as they age.

Nonetheless, working towards a wholesome life-style and taking pure testosterone dietary supplements can work for harm management. A natural testosterone booster is among the finest methods to naturally enhance testosterone ranges.

Herbs like fenugreek and ashwagandha have been used for hundreds of years to deal with numerous illnesses, however their testosterone-boosting powers make them engaging right now. They’re a good way to naturally enhance testosterone ranges, enhance libido, and even enhance sperm depend.

Focused on extra T-boosting components? Try our article on the 8 Finest Dietary supplements to Enhance Testosterone Naturally. And for finest outcomes, take a complement that accommodates a number of T-boosting nutritional vitamins, minerals, and herbs, like these 7 Finest Testosterone Booster Dietary supplements.

References:

1. Smith, Stephen J, et al. “Inspecting the Results of Herbs on Testosterone Concentrations in Males: A Systematic Overview.” Advances in Diet, 5 Nov. 2020, https://doi.org/10.1093/advances/nmaa134.
2. Maheshwari A, Verma N, Swaroop A, Bagchi M, Preuss HG, Tiwari Okay, Bagchi D. Efficacy of FurosapTM, a novel Trigonella foenum-graecum seed extract, in Enhancing Testosterone Stage and Bettering Sperm Profile in Male Volunteers. Int J Med Sci. 2017 Jan 10. doi: 10.7150/ijms.17256. PMID: 28138310; PMCID: PMC5278660.
3. Ahmad MK, Mahdi AA, Shukla KK, Islam N, Rajender S, Madhukar D, Shankhwar SN, Ahmad S. Withania somnifera improves semen high quality by regulating reproductive hormone ranges and oxidative stress in seminal plasma of infertile males. Fertil Steril. 2010 Aug. doi: 10.1016/j.fertnstert.2009.04.046. Epub 2009 Jun 6. PMID: 19501822.
4. Jung, Dong-Hyuk, et al. “Results of Ginseng on Peripheral Blood Mitochondrial DNA Copy Quantity and Hormones in Males with Metabolic Syndrome: A Randomized Scientific and Pilot Research.” Complementary Therapies in Drugs, vol. 24, Feb. 2016. https://doi.org/10.1016/j.ctim.2015.12.001. 
5. Chen, Maoxin, et al. “Results of Icariin on Reproductive Features in Male Rats.” Molecules, vol. 19, no. 7, 3 July 2014. dx.doi.org/10.3390percent2Fmolecules19079502, https://doi.org/10.3390/molecules19079502.
6. Duca, Ylenia, et al. “Substance Abuse and Male Hypogonadism.” Journal of Scientific Drugs, vol. 8, no. 5, 22 Might 2019, p. 732, www.ncbi.nlm.nih.gov/pmc/articles/PMC6571549/, https://doi.org/10.3390/jcm8050732.
7. Leproult, Rachel. “Impact of 1 Week of Sleep Restriction on Testosterone Ranges in Younger Wholesome Males.” JAMA, vol. 305, no. 21, 1 June 2011, p. 2173, https://doi.org/10.1001/jama.2011.710.